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Reagents & Solutions 800-356-9526 608-274-4330 enotes@promega.com
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FAQspeakHow do I determine the apparent molecular weight of a protein?Some proteins migrate anomalously on SDS gels; therefore the molecular weight estimate obtained is referred to as the apparent molecular weight. When determining the apparent molecular weight of a protein, do not compare your protein of interest to prestained protein molecular weight markers. Prestained molecular weight markers will run differently than unstained proteins; use unstained protein molecular weight markers and stain the gel after electrophoresis. Products may be covered by pending or issued patents or may have certain limitations on use. Please visit our patent and trademark web page for more information. |
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